: You may be able to right-click the file and select Extract All directly without extra software, as modern Windows 11 builds have added native support for more archive formats.
: Locate your "10.mp4.7z" file and right-click it. 10.mp4.7z
Do you have of the file, or is it just this single archive? : You may be able to right-click the
: If you cannot install software, use an online extractor like ezyZip to upload and unzip the file in your browser. : If you cannot install software, use an
: Once extracted, you will see a file named "10.mp4" which you can play with any standard media player. Alternative Methods
To open the file , you need to extract it first. This is a compressed archive (indicated by the .7z extension) that contains a video file (the .mp4 part). Recommended Method: Using 7-Zip (Free)